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aleksandr82 [10.1K]
3 years ago
7

Please help!!!!!!!!!!!​

Mathematics
2 answers:
topjm [15]3 years ago
4 0

184.19 cm²

IF I WAS CORRECT PLEASE THANK ME. =)

d1i1m1o1n [39]3 years ago
4 0
<h3>Answer:  175 square cm</h3>

Work Shown:

Area of square = side*side = 7*7 = 49

Area of one triangle = (1/2)*base*height = (1/2)*7*9 = 31.5

Area of four triangles = 4*(area of one triangle) = 4*31.5 = 126

total area = (area of square)+(area of four triangles) = 49+126 = 175

This total area of the net is the same as the surface area of the square prism. Imagine folding this 2D flat shape to form a 3D figure.

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sveticcg [70]
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3 years ago
Find the unit rate. 12 laps in 30minutes. <br> Asking for fraction
11Alexandr11 [23.1K]

Answer:

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3 years ago
Explain how an enlargement or a reduction in the dimensions of a building would cause a change in the scale factor.
swat32

Answer:

It would create an enlarged figure.

Explanation:

A scale factor of  

1

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A scale factor of less than  

1

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A scale factor of greater than  

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As  

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Step-by-step explanation:


5 0
3 years ago
Read 2 more answers
Please help me someone
katovenus [111]

Answer: Surface area is 169π

Step-by-step explanation:

A=\pi \cdot \:d^2

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6 0
3 years ago
A grain silo has a circular base with an area of 260 square feet and is 21 feet tall What is the total volume?​
Leya [2.2K]

The correct answer is 5460 cubic feet or 5460 ft^{3}

Explanation:

The silo has a cylindrical shape, in this context, the volume of the silo or any other cylinder can be calculated by using the formula Volume =\pi r^{2} h. In this formula the symbol \pi refers to the number 3.1415..., the letter r refers to the radius of the base and the letter h refers to the height.

Moreover, in this case, it is known the heigh (21 feet) and the area of the base (260 square feet). Additionally, this area of the base is the result of the formula Area = \pi r^{2}, which is exactly the first section of the formula to find the volume. This implies that by multiplying the area of the base by the height the volume is known. Here is the process:

Volume = \pi r^{2} h  or  Volume = Ah   (Area of the base × height)

V = 260 square feet × 21 feet

V = 5460 cubic feet

6 0
3 years ago
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